Code of Federal Regulations > Title 40 > Chapter I > Part 52 > Appendix Appendix F - Appendix F to Part 52—Clean Air Act Section 126 Petitions From Eight Northeastern States: Named Source Categories and Geographic Coverage

Regulations last checked for updates: Feb 21, 2025

Title 40 - Protection of Environment last revised: Nov 21, 2025

Appendix Appendix F - Appendix F to Part 52—Clean Air Act Section 126 Petitions From Eight Northeastern States: Named Source Categories and Geographic Coverage

The table and figures in this appendix are cross-referenced in § 52.34.

Table F-1—Named Source Categories in Section 126 Petitions

Petitioning state	Named source categories
Connecticut	Fossil fuel-fired boilers or other indirect heat exchangers with a maximum gross heat input rate of 250 mmBtu/hr or greater and electric utility generating facilities with a rated output of 15 MW or greater.
Maine	Electric utilities and steam-generating units with a heat input capacity of 250 mmBtu/hr or greater.
Massachusetts	Electricity generating plants.
New Hampshire	Fossil fuel-fired indirect heat exchange combustion units and fossil fuel-fired electric generating facilities which emit ten tons of NOX or more per day.
New York	Fossil fuel-fired boilers or indirect heat exchangers with a maximum heat input rate of 250 mmBtu/hr or greater and electric utility generating facilities with a rated output of 15 MW or greater.
Pennsylvania	Fossil fuel-fired indirect heat exchange combustion units with a maximum rated heat input capacity of 250 mmBtu/hr or greater, and fossil fuel-fired electric generating facilities rated at 15 MW or greater.
Rhode Island	Electricity generating plants.
Vermont	Fossil fuel-fired electric utility generating facilities with a maximum gross heat input rate of 250 mmBtu/hr or greater and potentially other unidentified major sources.

[64 FR 28323, May 25, 1999, as amended at 69 FR 31505, June 3, 2004]